Columnar basalt
Mon, 09/13/2010 - 21:47 — geolivan
- Location: Precordillera, San Juan, Argentina
- Date Taken (dd-mm-yy): 2007
Excellent exposure of columnar basalts.
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Columbia flood basalts 17Ma,
Wed, 09/29/2010 - 12:53Columbia flood basalts 17Ma, near my home.